Snow pack in the Sierra Nevada mountain range is the lowest it's ever been, spelling some bad news for residents of California who rely on that melting snow for their water supply. TODAY's Dylan Dreyer reports.

Snow pack in the Sierra Nevada mountain range is the lowest it's ever been, spelling some bad news for residents of California who rely on that melting snow for their water supply. TODAY's Dylan Dreyer reports.

Houses are destroyed after a series of tornadoes hit portions of Oklahoma Wednesday. Communities stretching from Tulsa to south of Oklahoma City were in the paths of the storms. One person was reportedly killed.